From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B2DB12494D8 for ; Tue, 24 Feb 2026 06:59:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=67.231.156.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771916353; cv=none; b=Ct93hGrJ/ujwQ25Z/D6GTzmHWzf2sqiFGtAIsDxqfxL3OdNPl8Nf4FUCE9WfFeOem24rlWYmgDHJ8O1lngoqRTQj4QmRmzb8TJPLagOcVtxL7lNffkOgryNJJofXJuXBAIDWCcZZZ2S6H3Tjq5KoVZ6eK1t7WYaXjk2HAze/kYc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771916353; c=relaxed/simple; bh=LJauYpf/v9/z5GfJw1m/YTSkeGJkt9ipUJ1BdFeCrSk=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=nw9n7oW9rXA49uq8VoXR8uJM2B37xw5I2Gow6zyfy2hKFxHjEYtay5Z6/xpvBzc0n9sPNY26Gb4SrGUqmLxVi9EYciJX7fJKB+i2Ef8J7P4zeY+ddLT+RD6Gi49ClFuRkfUDEsL7gpbDRNpMDtWUtuPuRgw+pL6ZhUrlKv8mMjg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=marvell.com; spf=pass smtp.mailfrom=marvell.com; dkim=pass (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b=gUFS/0qL; arc=none smtp.client-ip=67.231.156.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=marvell.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=marvell.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b="gUFS/0qL" Received: from pps.filterd (m0431383.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 61NHpnPQ3270344; Mon, 23 Feb 2026 22:59:02 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=pfpt0220; bh=8 HzW4i1WxFmwvZJxwgii39C+NGLrGJ/JXBmetwbmkbg=; b=gUFS/0qL4WJLE0TN/ SaPNoU9I0qQR+6IYOXhS26V00o0JFouCKRki8IRZU4kEJ45VjsI/SHAsdamq9x9d LbZBVKZufg4khbV+7zSst8bDom77A3qY7680tQ4bXKeoBkMOwL9eUl5gdhEg/G1A wT80QbgVl4+Ffrnkw1a8RpY33EpcWbypmEHYByhmxwZn9eM61WYl6kvKJwotViBb bJlUOEdVhFT/iBEqQzPdVuy4oKNmrWXCM0jvQzH8i7EvODgDV3/3OwV3+YkTCFN2 cY8A4iz8gTaBzmu0916dVj+L5a7RujBIypUH0xQqidp7aL/hO8Z247zh9/rt4lMH uQk6Q== Received: from dc6wp-exch02.marvell.com ([4.21.29.225]) by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 4cgd2mkaeb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 23 Feb 2026 22:59:01 -0800 (PST) Received: from DC6WP-EXCH02.marvell.com (10.76.176.209) by DC6WP-EXCH02.marvell.com (10.76.176.209) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.25; Mon, 23 Feb 2026 22:59:00 -0800 Received: from maili.marvell.com (10.69.176.80) by DC6WP-EXCH02.marvell.com (10.76.176.209) with Microsoft SMTP Server id 15.2.1544.25 via Frontend Transport; Mon, 23 Feb 2026 22:59:00 -0800 Received: from localhost.localdomain (unknown [10.28.36.175]) by maili.marvell.com (Postfix) with ESMTP id B95343F709A; Mon, 23 Feb 2026 22:58:56 -0800 (PST) From: Srujana Challa To: , CC: , , , , , , , , , , Subject: [PATCH net-next,2/2] virtio_net: replace RSS key size max check with BUILD_BUG_ON Date: Tue, 24 Feb 2026 12:28:50 +0530 Message-ID: <20260224065850.962826-2-schalla@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20260224065850.962826-1-schalla@marvell.com> References: <20260224065850.962826-1-schalla@marvell.com> Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Authority-Analysis: v=2.4 cv=AfW83nXG c=1 sm=1 tr=0 ts=699d4c35 cx=c_pps a=gIfcoYsirJbf48DBMSPrZA==:117 a=gIfcoYsirJbf48DBMSPrZA==:17 a=HzLeVaNsDn8A:10 a=VkNPw1HP01LnGYTKEx00:22 a=l0iWHRpgs5sLHlkKQ1IR:22 a=qit2iCtTFQkLgVSMPQTB:22 a=M5GUcnROAAAA:8 a=BwTn4DStoJ9Fkl0ccMAA:9 a=OBjm3rFKGHvpk9ecZwUJ:22 X-Proofpoint-ORIG-GUID: ZrwsOvpy9Deqx5ej8zAkkhHJKVxXopgd X-Proofpoint-GUID: ZrwsOvpy9Deqx5ej8zAkkhHJKVxXopgd X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjI0MDA1OCBTYWx0ZWRfX4D0BqNZgsRAO IHCTC4Pba02KiXzOG7H8JX3adSc8XBUfybhje/RsyLoWk1HsQMmDo6SHxkyAe4Dg6FVlj4++SXZ Ndn/ACrsdi0CQZ5+WKiTghxIO7VAVmT5yfTzQe3wMHs4vKzOWAvHR2atARNg7pGz4erBB/nGap3 c5mtiWbMRWVbIs0A5ruiMw39DPnHmdPBbdCOLV7IiJSqW+Awo6myslWZWSQ1JrQkcN79lqBEleM FbK73gFmBsGLu2XN7vfaY/ThXqJ3Gh4tyJMUe44SgHmgolPUpLBqCPwUOPa24DFWR20n+y3MpO/ 5Z2VLBfjlIXjZaLhV1mAihEUV1eY8VWYUaP6O0SVEpw61+DzI/pGfSnYflrZMJexG0xwcwKp0ka yc+STg/CQcdC8d+3c33WL2WfrkqqkLgbJ2lLtVWfOGKquHOON2ALVzCECcsOiGmnNS7AoE9PyWT CtOP56fmUeBDCl0iAwQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-23_06,2026-02-23_03,2025-10-01_01 Since NETDEV_RSS_KEY_LEN was increased to 256 in net-next, use BUILD_BUG_ON to enforce the limit at compile time and remove the redundant runtime max check. Signed-off-by: Srujana Challa --- drivers/net/virtio_net.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index eeefe8abc122..768ad5523dfa 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -6639,13 +6639,7 @@ static int virtnet_validate(struct virtio_device *vdev) __virtio_clear_bit(vdev, VIRTIO_NET_F_RSS); __virtio_clear_bit(vdev, VIRTIO_NET_F_HASH_REPORT); } - if (key_sz > NETDEV_RSS_KEY_LEN) { - dev_warn(&vdev->dev, - "rss_max_key_size=%u exceeds driver limit %u, disabling RSS\n", - key_sz, NETDEV_RSS_KEY_LEN); - __virtio_clear_bit(vdev, VIRTIO_NET_F_RSS); - __virtio_clear_bit(vdev, VIRTIO_NET_F_HASH_REPORT); - } + BUILD_BUG_ON(type_max(key_sz) >= NETDEV_RSS_KEY_LEN); } return 0; -- 2.25.1